Signifikant regional differences in the incidence of asthma and the prevalence of respiratory symptoms in healthy Danish twins

Bettina Dalsgaard

Publikation: Konferencebidrag uden forlag/tidsskriftPosterForskningpeer review

Abstrakt

Significant regional differences in the incidence of asthma and the prevalence of respiratory symptoms in healthy Danish twins.
Bettina Dalsgaard, Finn Rasmussen, Niels-Chr. G. Hansen.

We interviewed a group of 1159 young healthy twins, who all had denied having ever had asthma in a postal questionaire in 1994. Center 1 (Odense) included twins predominantly from the western parts of Denmark, while Center 2 (Copenhagen) included twins from the eastern parts. The incidence of new self-declared asthma was higher in twins examined at Center 2: 11.6 against 5.1 cases per 1000 person-year at Center 1. After exclusion of participants with self-declared asthma or heart disease the following respiratory symptoms were significantly more prevalent at Center 2: Periods with a dry cough without a cold (23.2 vs 18.3%), cough on several days after a cold (22.8 vs. 17.3%), cough after exposure to polluted air (19.0 vs. 14.5%), dyspnea with wheeze after a cold, exercise, or contact with animals or pollen (18.3 vs. 10.5%), cough after physical exercise (10.5 vs. 6.2%), cough in the morning (10.3% vs. 6.5%), and dyspnea when walking on level ground (7.6 vs. 4.0%). More women and more actual smokers were included at center 2, but this could only in part explain the difference in the higher prevalence of symptoms.
OriginalsprogEngelsk
Publikationsdato2001
StatusUdgivet - 2001
BegivenhedERS - Berlin, Berlin, Tyskland
Varighed: 22. sep. 200126. sep. 2001

Konference

KonferenceERS
LokationBerlin
LandTyskland
ByBerlin
Periode22/09/200126/09/2001

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